What's the name of the mermaid in September?

Supplement:

Stealing the Star in September is a popular domestic cartoon serialized by cartoonists. The authors are, Fan et al. This work tells an adventure story related to Lance, a thousand-year-old country, and various mysterious organizations, which was triggered by thieves stealing jewels from the home of the protagonist Liu Xing in September. The style of the work spans a large span and there are different opinions.